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United States Patent | 5,158,131 |
Hurner | October 27, 1992 |
A fuel heater formed from an elongated unitary structure which defines a fuel channel passing through the length thereof and which defines in the bottom thereof a fuel intake. The unitary structure also defines a heating fluid inlet and outlet on one side of the fuel channel which communicate with one another on that one side of the fuel channel.
Inventors: | Hurner; Erwin E. (920 Belsly Blvd. South, Moorhead, MN 56560) |
Appl. No.: | 866566 |
Filed: | April 10, 1992 |
Current U.S. Class: | 165/47; 123/557; 165/76; 220/320; 220/562; 220/661 |
Intern'l Class: | F02M 053/00; F02M 031/16; F02N 017/02; B65D 025/00 |
Field of Search: | 123/557 220/601,661,562,565,465,320 165/1,76,47,74 |
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2556497 | Jun., 1951 | Hobson | 220/565. |
2594599 | Apr., 1952 | Uhri | 220/661. |
3432069 | Mar., 1969 | Craig | 220/465. |
3768730 | Oct., 1973 | Campbell | 123/557. |
3874550 | Apr., 1975 | Gordon | 220/213. |
4237850 | Dec., 1980 | Connor et al. | 123/557. |
4656979 | Apr., 1987 | Hogenson | 123/557. |
4684786 | Aug., 1987 | Mann et al. | 123/557. |
4865005 | Sep., 1989 | Griffith | 123/557. |
4926830 | May., 1990 | McNelley | 165/74. |
4964376 | Oct., 1990 | Veach et al. | 165/74. |
5029634 | Jul., 1991 | Hurner | 165/74. |
5056680 | Oct., 1991 | Sharp | 220/565. |
5065892 | Nov., 1991 | Lukez | 220/465. |
5092304 | Mar., 1992 | McNelley | 165/74. |